Drive-gear

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Drive-gears to be used in direct drive and some other extruders (like the Adrian's_Geared_Extruder).

Model From Length Outer diam. Hob diam. Bore Approximate Cost Additional notes
Alfa-Tech3D
MK8 Drive Gears
DK 11 mm 9 mm 7.25 mm 5 mm € 2.57 Stainless Steel, good for both 1.75 and 3.00mm filament, Ship Worldwide.
TriDPrinting.com
MK7 Drive Gears
USA 13.1 mm 12.7 mm 11.4 mm 5 mm
8 mm
$ 6.95 HARDENED STEEL and are good for both 1.75 and 3.00mm filament.
TriDPrinting.com
MK8 Drive Gears
USA 11 mm 9 mm 7.1 mm 5 mm $ 6.95 HARDENED STEEL and are good for both 1.75 and 3.00mm filament. The reduced diameter provides more force than an MK7 so you don't need to resort to a geared stepper motor.
Aus3D
MK7 Drive Gears
AU 13 mm 12 mm 10.5 mm 5 mm $ 9.95 Stainless Steel, good grip.
Aus3D
MK8 Drive Gears
AU 11 mm 9 mm 7 mm 5 mm $ 9.95 Stainless Steel, good grip.
RepRap.me
MK7 Drive Gear
EU/Denmark 11 mm 12,5 mm 10,56 mm 5 mm $ 3.20 Makerbot drive-gear.jpg
Made in stainless steel and are good for both 1.75 and 3.00mm filament.
DIY-India.com
MK7 Drive Gear
India 11 mm 12,5 mm 10,56 mm 5 mm From 2.50 $ Makerbot drive-gear.jpg
Made in stainless steel and brass, works for both 1.75 and 3.00mm filament.
DIY-India.com
MK8 Drive Gear
India 11 mm 12,5 mm 10,56 mm 5 mm From 2.50 $ Makerbot drive-gear.jpg
Made in stainless steel, works for both 1.75 and 3.00mm filament.
RepRap.me
MK8 Drive Gear
EU/Denmark 11 mm 9 mm 7 mm 5 mm 3.20 $ MK8.jpg
MK8 is a new evolution of the MK7 Drive Gear. The smaller diameter gives 35% more power. Made in stainless steel and are good for both 1.75 and 3.00mm filament.
TaoTac.com
MK8 Drive Gear
VN 11 mm 9 mm 7 mm 5 mm 105000 VND MK8.jpg
MK8 Drive Gear for MK style extruder, compatible with both 1.75 mm and 3 mm filament, better than MK7. Made in stainless steel.
Twelvepro.com
MK7 Drive Gear
IN 11 mm 12,5 mm 10,56 mm 5 mm 4.99 $ Makerbot drive-gear.jpg
Outstanding quality, Made on professional CNC gear cutting machines, 1000s sold out with the best performance for DIY and professional systems.

This MK7 Drive Gear is made up of 304 Steel and suitable for both 1.75 and 3.00mm filament. Made in USA- ship worldwide!

Twelvepro.com
MK8 Drive Gear
USA 11 mm 9 mm 7 mm 5 mm From 5.99 $ MK8.jpg
MK8 is a new evolution of the MK7 Drive Gear. The smaller diameter gives 35% more power and the same best quality on the market. Made in stainless steel and are good for both 1.75 and 3.00mm filament.]
3D Acessories Hub
SS MK7 Drive Gear
IN 11 mm 12,5 mm 10,56 mm 5 mm 5.25 $
This MK7 Drive Gear is made up of brass and suitable for both 1.75 and 3.00mm filament.
fabberworld.com
MK7 Drive Gear
Switzerland 11,2 mm 12,75 mm 11,22 mm 5 mm 12.50 CHF Drivegear1.jpg
The best drive gear on the market. Made in stainless steel and are good for both 1.75 and 3.00mm filament.
Mendel-Parts hobbed shaft
stainless-steel insert
brass insert
Netherlands  ? mm  ? mm  ? mm M4, M5, M6
5,1 mm
14 €
4€
3€
Mendel-parts drive-gear supposed-v2.jpg
Mendel-parts drive-gear v2.jpg stainless steel
Mendel-parts drive-gear v1.jpg
QU-BD US 11.03 mm 11.64 mm 10.5 mm 5 mm 7,50 $ Qubd drive-gear.jpg Brass alloy. (maybe better suited for 3mm than 1,75mm)
RepRapWorld Netherlands 10 mm 12 mm  ? mm 5 mm 8 € Reprapworld drive-gear.jpg "mk7 compatible"
Mini-hyena Hungary 13 mm 8 mm
11 mm
11 mm
13 mm
6 mm
9 mm
9 mm
11 mm
5 mm
5 mm
8 mm
8 mm
12 $ Mini-hyena 5x8.jpg Mini-hyena 5x11.jpg made by Arcol !
Makemendel India 11 mm 12.8 mm  ? mm 5 mm $5.25 USD / $6.99 USD Brass MK7 Drive GearMk7 drive gear.jpg

SS MK7 Drive Gear SS MK7 Drive Gear.jpg

Deezmaker Tatsu v2 US 11 mm 13 mm 11 mm 5mm
6mm
$25 USD Tatsu v2.jpg
  • Hardened stainless steel.
  • Super-sharp teeth, with increased space between to allow them to sink deeply into filament.
  • Wraps more loosely around filament to keep it centered while avoiding filament grinding due to the difference between minimum and maximum diameters along the contact between teeth and filament.
Brass insert
3D Acessories Hub
Brass Insert
IN 11 mm 12,5 mm 10,56 mm 5 mm 11 $
. This Brass insert piece is made in Brass and are Suitable for both 1.75 and 3.00mm filament.
Conrad.com
Conrad-uk
EU
UK
 ? mm  ? mm  ? mm M4 3 €
4 £
-
3DP2GO CN  ?mm  ?mm  ?mm 5-8mm 2.1-3.2USD many kinds of drive gear
Maritime-models UK  ? mm  ? mm  ? mm many 1,80 £ Maritime-models drive-gear.jpg need some use to grip more effectively Maritime-models drive-gear close-up.jpg
Paoparts France 15 mm  ? mm 8 mm M4 5.30 € Molette.jpg
Voelkner Germany  ? mm  ? mm  ? mm M5 2.95 € Molette.jpg
Pb-modelisme France  ?  ?  ? 5 mm 3,50 € 206 IMGACC 6508.jpg
Ok-modelisme France ?  ?  ?  ? 5 mm 3,30 € 206 IMGACC 6508.jpg
Stoutwind's Rampage Direct Drive Gear Germany 16mm 10mm 9,5mm internal M6x1 threading 1,35 € zink-coated steel

Rampage gear.png

look at stoutwind.de/antriebselemente-und-filamentforderung/3-filamentzahnrad-rampa.html

RobotDigg China v v v 5mm 2.5USD MK7, MK8, Ultimaker, Mendel